There are 120 Pollution Control Companies in Missouri, serving a population of 6,075,300 people in an area of 68,729 square miles. There is 1 Pollution Control Company per 50,627 people, and 1 Pollution Control Company per 572 square miles.
The state of Missouri is ranked 42nd in Pollution Control Companies per capita, and 33rd in Pollution Control Companies per square mile.